package thread;
//线程

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        ExecutorService threadpool = Executors.newFixedThreadPool(2);

        for (int i=0;i<5;i++){
            Runnable r=new  Runnable(){
                public void run(){
                    try {
                        Thread t=Thread.currentThread();
                        System.out.println(t.getName()+":正在执行任务...");
                        Thread.sleep(5000);
                        System.out.println(t.getName()+":执行任务完毕...");
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            };
            threadpool.execute(r);
            System.out.println("将一个任务交给了线程池");
        }

        threadpool.shutdown();
        threadpool.shutdownNow();
        System.out.println("线程池关闭了");







    }
}
